... hardness acuity>= 940Barrel temperature control, temperature automatic control areasBarrel heating mode, aluminum heatingCylinder cooling way, 3 district cooling130 main motor, 15 KW ... mould and sizing specification, 45, 55, 65mm diameter3 and cooling waterCooling water tank length, 1500mmCooling medium, water4, tractionDrawing method double roller compaction ...